Over two centuries old and counting, Madrid's massive botanical garden contains one of Europe's only desert environments.

An ancient Egyptian temple in the middle of Madrid, Spain.

These former theme park figures have a new lease on life outside a water plant-turned-restaurant.

The only natural lake in the world that drains into both the Atlantic and Pacific Oceans.

3/4-scale model of the White House in Atlanta, Georgia.

An old bank vault in Atlanta is now the eternal shrine to the King of Rock and Roll.

An underground magnet for ever-changing street art.

The gravestones in this historic cemetery are carved with mysterious faces.

One of the few brewers in the U.S. experimenting with hop-free beers.

Annual celebration commemorating the 1965 sighting of strange lights in the town.

Open-air cremations in Colorado's self-proclaimed spiritual mecca.

One man has carved a number of natural New Mexico caves into psychedelic sandstone temples.

A unique geological area spiked with wind-carved rocks that resemble teepees.

These Pre-Columbian petroglyphs contain representations of birds, deer, hunters, and even some early Native flute players.

A palatial sculpture park was built illegally and in secret by a self-taught artist over 36 years.

Micro-nation based around a nine-story high illegally built tower.

Scale replica of China's ancient terracotta tomb warriors and Forbidden City are the side project of an eccentric millionaire.

One part antique store, one part curiosities hodge-podge.

A Prada store in the West Texas desert that is never open for business.

A massive underwater sinkhole made famous by Jacques Cousteau.